Heavily synonyms such as awfully, a great deal, and absolutely. Heavily is an adverb, and its antonyms are easily, quickly, narrowly, moderately, and lightly. Additionally, here are 60 synonyms for heavily and words similar to it.
A great deal, absolutely, awfully, awkwardly, bigly, closely, clumsily, compactly, completely, conclusively, copiously, decisively, deeply, dejectedly, deliberately, densely, dully, enormously, ever so, exceedingly, excessively, extremely, gloomily, greatly, immoderately, inordinately, intemperately, jolly, laboriously, majorly, overmuch, painfully, ponderously, profoundly, roundly, seriously, slowly, sluggishly, soundly, steadily, stiffly, terribly, thickly, thoroughly, to a great extent, to excess, to too great an extent, too much, totally, tremendously, utterly, very, very much, with difficulty, with heavy steps, with leaden steps, without control, without restraint, and woodenly.